18689958144

Names of 18689958144

• Cardinal: 18689958144 can be written as Eighteen billion, six hundred eighty-nine million, nine hundred fifty-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.8689958144 × 10¹⁰

Factors of 18689958144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 220

Divisors of 18689958144

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 32 33 36 39 44 48 52 54 64 66 72 78 81 88 96 99 104 108 117 121 128 132 143 144 156 162 176 191 192 198 208 216 234 242 243 256 264 286 288 297 312 324 351 352 363 382 384 396 416 429 432 468 484 486 528 572 573 576 594 624 648 702 704 726 764 768 792 832 858 864 891 936 968 972 1053 1056 1089 1144 1146 1152 1188 1248 1287 1296 1404 1408 1452 1528 1573 1584 1664 1716 1719 1728 1782 1872 1936 1944 2101 2106 2112 2178 2288 2292 2304 2376 2483 2496 2574 2592 2673 2808 2816 2904 3056 3146 3159 3168 3267 3328 3432 3438 3456 3564 3744 3861 3872 3888 4202 4212 4224 4356 4576 4584 4719 4752 4966 4992 5148 5157 5184 5346 5616 5808 6112 6292 6303 6318 6336 6534 6864 6876 6912 7128 7449 7488 7722 7744 7776 8404 8424 8448 8712 9152 9168 9438 9504 9801 9932 9984 10296 10314 10368 10692 11232 11583 11616 12224 12584 12606 12636 12672 13068 13728 13752 14157 14256 14898 14976 15444 15471 15488 15552 16808 16848 17424 18304 18336 18876 18909 19008 19602 19864 20592 20628 20736 21384 22347 22464 23111 23166 23232 24448 25168 25212 25272 25344 26136 27313 27456 27504 28314 28512 29403 29796 29952 30888 30942 30976 31104 33616 33696 34749 34848 36608 36672 37752 37818 38016 39204 39728 41184 41256 42471 42768 44694 44928 46222 46332 46413 46464 48896 50336 50424 50544 52272 54626 54912 55008 56628 56727 57024 58806 59592 61776 61884 62208 67041 67232 67392 69333 69498 69696 73344 75504 75636 76032 78408 79456 81939 82368 82512 84942 85536 89388 89856 92444 92664 92826 92928 100672 100848 101088 104544 109252 109824 110016 113256 113454 114048 117612 119184 123552 123768 127413 134082 134464 134784 138666 138996 139392 146688 151008 151272 156816 158912 163878 164736 165024 169884 170181 171072 178776 184888 185328 185652 201123 201344 201696 202176 207999 209088 218504 220032 226512 226908 228096 235224 238368 245817 247104 247536 254826 268164 268928 269568 277332 277992 278784 300443 302016 302544 313632 317824 327756 329472 330048 339768 340362 342144 357552 369776 370656 371304 382239 402246 402688 403392 404352 415998 418176 437008 440064 453024 453816 470448 476736 491634 494208 495072 509652 510543 536328 537856 554664 555984 600886 603369 604032 605088 623997 627264 635648 655512 660096 679536 680724 684288 715104 737451 739552 741312 742608 764478 804492 806784 808704 831996 836352 874016 901329 906048 907632 940896 953472 983268 988416 990144 1019304 1021086 1072656 1109328 1111968 1201772 1206738 1208064 1210176 1247994 1254528 1311024 1320192 1359072 1361448 1430208 1474902 1479104 1482624 1485216 1528956 1608984 1613568 1663992 1748032 1802658 1812096 1815264 1871991 1881792 1906944 1966536 1980288 2038608 2042172 2145312 2212353 2218656 2223936 2403544 2413476 2420352 2495988 2509056 2622048 2703987 2718144 2722896 2860416 2949804 2958208 2965248 2970432 3057912 3217968 3327984 3496064 3605316 3624192 3630528 3743982 3763584 3933072 3960576 4077216 4084344 4290624 4424706 4437312 4447872 4807088 4826952 4840704 4991976 5244096 5407974 5436288 5445792 5615973 5720832 5899608 5916416 5940864 6115824 6435936 6637059 6655968 6992128 7210632 7261056 7487964 7527168 7866144 8111961 8154432 8168688 8581248 8849412 8874624 8895744 9614176 9653904 9983952 10488192 10815948 10872576 10891584 11231946 11799216 11881728 12231648 12871872 13274118 13311936 14421264 14522112 14975928 15732288 16223922 16308864 16337376 17162496 17698824 17749248 19228352 19307808 19967904 20976384 21631896 21783168 22463892 23598432 24335883 24463296 25743744 26548236 26623872 28842528 29951856 31464576 32447844 32617728 32674752 35397648 38456704 38615616 39935808 43263792 43566336 44927784 47196864 48671766 48926592 51487488 53096472 53247744 57685056 59903712 62929152 64895688 65349504 70795296 73007649 76913408 77231232 79871616 86527584 89855568 94393728 97343532 97853184 106192944 115370112 119807424 129791376 130699008 141590592 146015298 154462464 159743232 173055168 179711136 188787456 194687064 212385888 230740224 239614848 259582752 283181184 292030596 346110336 359422272 389374128 424771776 479229696 519165504 566362368 584061192 692220672 718844544 778748256 849543552 1038331008 1168122384 1437689088 1557496512 1699087104 2076662016 2336244768 3114993024 4672489536 6229986048 9344979072 18689958144
• Sum of all divisors σ(n): 66497174016
• Sum of proper divisors (its aliquot sum) s(n): 47807215872
• 18689958144 is an abundant number, because the sum of its proper divisors (47807215872) is greater than itself. Its abundance is 29117257728

Bases of 18689958144

• Binary: 10001011010000000100010000100000000₂
• Hexadecimal: 0x45A022100
• Base-36: 8L3IO00

Squares and roots of 18689958144

• 18689958144 squared (18689958144²) is 349314535424471924736
• 18689958144 cubed (18689958144³) is 6528674046174185546618958249984
• The square root of 18689958144 is 136711.2217193599
• The cube root of 18689958144 is 2653.8076576555

Scales and comparisons

• 18,689,958,144 seconds is equal to 594 years, 14 weeks, 4 days, 23 hours, 2 minutes, 24 seconds.
• To count from 1 to 18,689,958,144 would take you about one thousand, one hundred eighty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18689958144 cubic inches would be around 221.2 feet tall.

Recreational maths with 18689958144

• 18689958144 backwards is 44185998681
• The number of decimal digits it has is: 11
• The sum of 18689958144's digits is 63
• More coming soon!